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參數資料
型號: XT26T
廠商: Vishay Intertechnology,Inc.
英文描述: Tuning Fork Crystal
中文描述: 音叉型晶體
文件頁數: 1/1頁
文件大小: 65K
代理商: XT26T
Document Number: 35017
Revision: 28-Mar-03
For technical questions contact: frequency@vishay.com
www.vishay.com
1
Tuning Fork Crystal
XT26T
Vishay Dale
0.248
[6.3] Max
0.083
[2.1] Max
0.158
[4.0] Min
0.028
[0.7]
0.008
[0.20]
- 20
- 10
0
10
20
30
40
50
60
70
- 10
- 20
- 30
- 40
- 50
- 60
F/f(ppm)
TEMPERATURE (
°
C)
FEATURES
Miniature package
Low cost
KHz frequency
Tight tolerance
The tuning fork type quartz crystal provides ultimate in size,
performance and economic trade-offs. So it is used as a clock
source in communication equipment, measuring instrument,
microprocessor and other time management applications.
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
CONDITION
UNIT
MIN
TYPICAL
MAX
Frequency Range
Frequency Tolerance
Frequency Coef
fi
cient
Operating Temperature Range
Storing Temperature Range
Shunt Capacitance
Motional Capacitance
Load Capacitance
Insulation Resistance
Drive Level
Aging (
fi
rst year)
Equivalent Series Resistance(ESR)
F
F/F
K
T
OPR
T
STG
C
C
CL
IR
DL
Fa
Rs
O
KHz
ppm
32.768
± 20
O
at 25°C
ref to 25°C
ppm/(
°C)
2
- 0.042
+ 60
+ 70
2
4
°C
°C
pF
fF
pF
M
μW
ppm
K
- 10
- 20
O
0.85
2
12.5
1
1
100V
DC
500
1
at 25°C ± 3°C
- 5.0
+ 5.0
50
DIMENSIONS
in inches [millimeters]
ORDERING INFORMATION
XT26T
MODEL
32.768KHz
FREQUENCY/KHz
PARABOLIC TEMPERATURE CURVE
To determine frequency stability, use parabolic curvature (k).
For example: What is stability at 45°C
1) Change in Temperature (°C) = 45 - 25 = 20°C
2) Change in Frequency = - 0.042ppm*(
°C)
2
= - 0.042ppm*(20)
= - 16.8ppm(max)
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相關代理商/技術參數
參數描述
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